from tkinter import  *
print("введите начальную координату X:")
X= int(input())
print("введите начальную координату Y:")
Y= int(input())
print("введите коэфицент увеличения N:")
N= int(input())

coords = [0, 0, 10, 0, 10, 10, 20, 10, 20, 20, 10, 20, 10, 30, 0, 30, 0, 20, 0, 10]

if  20*N+X >500 or 30*N+Y > 500:
     print("Размер фигуры превышает максимальный размер")
else:

    root = Tk()
    root.title("ИТ марафон")
    root.geometry("500x500")


    canvas = Canvas(bg="white", width=500, height=500)
    canvas.pack(anchor=CENTER,expand=1)
    canvas.create_polygon(coords[0] *N+X,
                          coords[1] *N+Y,
                          coords[2] *N+X,
                          coords[3] *N+Y,
                          coords[4] *N+X,
                          coords[5] *N+Y,
                          coords[6] *N+X,
                          coords[7] *N+Y,
                          coords[8] *N+X,
                          coords[9] *N+Y,
                          coords[10] *N+X,
                          coords[11] *N+Y,
                          coords[12] *N+X,
                          coords[13] *N+Y,
                          coords[14] *N+X,
                          coords[15] *N+Y,
                          coords[16] *N+X,
                          coords[17] *N+Y,
                          coords[18] *N+X,
                          coords[19] *N+Y)
    root.mainloop()
